/* Site-wide Students / Useful Links overlay drawers */

.edge-tab {
  position: fixed;
  z-index: 80;
  top: auto;
  bottom: max(1.25rem, env(safe-area-inset-bottom, 0px) + 1rem);
  transform: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-height: 160px;
  padding: 1.25rem 0.35rem;
  border: none;
  cursor: pointer;
  font: inherit;
  color: #ffffff;
  background: var(--navy, #2a2e6e);
  box-shadow: 0 12px 32px rgba(22, 24, 63, 0.28);
  transition:
    background 0.3s ease,
    transform 0.45s var(--ease, cubic-bezier(0.22, 1, 0.36, 1)),
    box-shadow 0.3s ease,
    opacity 0.3s ease;
}

.edge-tab:hover,
.edge-tab:focus-visible {
  background: var(--navy-mid, #3a3f7a);
  box-shadow: 0 16px 40px rgba(22, 24, 63, 0.35);
  outline: none;
}

.edge-tab--left {
  left: 0;
  border-radius: 0 8px 8px 0;
}

.edge-tab--left:hover {
  transform: translateX(3px);
}

.edge-tab--right {
  right: 0;
  border-radius: 8px 0 0 8px;
  background: var(--sky, #3d6ea8);
}

.edge-tab--right:hover,
.edge-tab--right:focus-visible {
  background: var(--sky-bright, #5b8fc4);
}

.edge-tab--right:hover {
  transform: translateX(-3px);
}

.edge-tab-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  font-family: var(--font-display, "Sora", system-ui, sans-serif);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.edge-tab--right .edge-tab-label {
  transform: none;
}

body.drawer-open .edge-tab {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.96);
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(10, 12, 32, 0.48);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease, cubic-bezier(0.22, 1, 0.36, 1)), visibility 0.4s ease;
}

.drawer-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  inset: 0;
  z-index: 130;
  pointer-events: none;
  visibility: hidden;
}

.drawer.is-open {
  visibility: visible;
  pointer-events: auto;
}

.drawer-panel {
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(400px, 92vw);
  background: var(--white, #ffffff);
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 60px rgba(10, 12, 32, 0.22);
  transition: transform 0.5s var(--ease, cubic-bezier(0.22, 1, 0.36, 1));
  will-change: transform;
}

.drawer--left .drawer-panel {
  left: 0;
  transform: translateX(-105%);
  border-right: 1px solid var(--line, rgba(42, 46, 110, 0.12));
}

.drawer--right .drawer-panel {
  right: 0;
  transform: translateX(105%);
  border-left: 1px solid var(--line, rgba(42, 46, 110, 0.12));
}

.drawer.is-open .drawer-panel {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--line, rgba(42, 46, 110, 0.12));
  flex-shrink: 0;
}

.drawer-header .section-label {
  font-family: var(--font-display, "Sora", system-ui, sans-serif);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sky, #3d6ea8);
  margin: 0 0 0.5rem;
}

.drawer-header h2 {
  font-family: var(--font-display, "Sora", system-ui, sans-serif);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--navy, #2a2e6e);
  margin: 0;
}

.drawer-close {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line, rgba(42, 46, 110, 0.12));
  border-radius: var(--radius, 3px);
  background: var(--cloud, #f3f5f9);
  color: var(--navy, #2a2e6e);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.25s ease;
}

.drawer-close:hover,
.drawer-close:focus-visible {
  background: var(--navy, #2a2e6e);
  color: #ffffff;
  outline: none;
  transform: rotate(90deg);
}

.drawer-body {
  padding: 0.5rem 1.5rem 2rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  flex: 1;
}

.drawer .info-list,
.drawer .link-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.drawer .info-list li,
.drawer .link-list li {
  border-bottom: 1px solid var(--line, rgba(42, 46, 110, 0.12));
}

.drawer .info-list a,
.drawer .link-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  font-family: var(--font-display, "Sora", system-ui, sans-serif);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy, #2a2e6e);
  text-decoration: none;
}

.drawer .info-list a:hover,
.drawer .link-list a:hover {
  color: var(--sky, #3d6ea8);
}

.drawer .info-list a span,
.drawer .link-list a span {
  color: var(--sky, #3d6ea8);
  font-size: 1.1rem;
  transition: transform 0.25s ease;
}

.drawer .info-list a:hover span,
.drawer .link-list a:hover span {
  transform: translateX(4px);
}

.drawer .seams-row {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line, rgba(42, 46, 110, 0.12));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.drawer .seams-row p {
  font-size: 0.9rem;
  color: var(--muted, #5c6478);
  flex: 1;
  min-width: 160px;
  margin: 0;
}

.drawer .seams-row img {
  height: 48px;
  width: auto;
  display: block;
}

body.drawer-open {
  overflow: hidden;
}

@media (max-width: 980px) {
  /* Dock resource tabs along the bottom on mobile */
  .edge-tab {
    top: auto;
    bottom: 0;
    transform: none;
    width: auto;
    min-height: 0;
    height: calc(52px + env(safe-area-inset-bottom, 0px));
    padding: 0 0.75rem env(safe-area-inset-bottom, 0px);
    box-shadow: 0 -6px 24px rgba(14, 16, 40, 0.18);
  }

  .edge-tab--left {
    left: 0;
    right: 50%;
    border-radius: 12px 0 0 0;
  }

  .edge-tab--left:hover,
  .edge-tab--right:hover {
    transform: none;
  }

  .edge-tab--right {
    left: 50%;
    right: 0;
    border-radius: 0 12px 0 0;
  }

  .edge-tab-label,
  .edge-tab--right .edge-tab-label {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    transform: none;
    font-size: 0.68rem;
    letter-spacing: 0.1em;
  }

  body.drawer-open .edge-tab {
    opacity: 0;
    pointer-events: none;
    transform: none;
  }

  body.nav-open .edge-tab {
    opacity: 0;
    pointer-events: none;
  }

  .drawer-panel {
    width: min(100vw - 16px, 400px);
  }

  .drawer--left .drawer-panel,
  .drawer--right .drawer-panel {
    width: 100%;
    max-width: none;
  }
}